Open Source at Tech Giants: Get New Published Repositories Daily

Are you actively looking for an awesome opensource project which is maintained by a company like Microsoft, Google, Apple, Facebook, and co and is at the beginning of an engineering phase or just looking for newly published open-source projects by companies to keep up to date with new frameworks, tools, etc? My app has reached alpha status. Currently, it has a simple voting feature set. It has a news feed feed of new repositories and a company overview page for users to view and filter by voting.